Clean up some includes.
Remove some unnecessary includes from header files, replace
others with forward references and add includes to source
files as needed. Reduce dependency on stack.h by pulling
StackReference<> out to its own file.
Test: m test-art-host
Change-Id: I0fb182145e328870cbd918b0ef6ae2950223c1b2
diff --git a/runtime/stack_reference.h b/runtime/stack_reference.h
new file mode 100644
index 0000000..3d37b76
--- /dev/null
+++ b/runtime/stack_reference.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_RUNTIME_STACK_REFERENCE_H_
+#define ART_RUNTIME_STACK_REFERENCE_H_
+
+#include "base/macros.h"
+#include "mirror/object_reference.h"
+
+namespace art {
+
+// A reference from the shadow stack to a MirrorType object within the Java heap.
+template<class MirrorType>
+class PACKED(4) StackReference : public mirror::CompressedReference<MirrorType> {
+};
+
+} // namespace art
+
+#endif // ART_RUNTIME_STACK_REFERENCE_H_